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Finding the Fourth Proportional to 10,297.68, 15,448.68 and 4,455.12

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Solution

The fourth proportional to 10,297.68, 15,448.68 and 4,455.12 is: 6,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.68 : 15,448.68 = 4,455.12 : x
  2. Step 2: Convert to fraction form
    10,297.68/15,448.68 = 4,455.12/x
  3. Step 3: Cross multiply
    10,297.68x = 15,448.68 × 4,455.12
  4. Step 4: Simplify right side
    10,297.68x = 68,825,723.24
  5. Step 5: Solve for x
    x = 68,825,723.24/10,297.68
  6. Step 6: Final answer
    x = 6,683.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.